Apps Like Electronics Reference Toolkit for iPhone and iPad
Calculate resistors, voltage, and capacitance
ElecKit provides tools for calculations. Users can calculate resistor values with 4/5 band codes and tolerance. It includes Ohm’s Law functions for voltage, current, resistance, and power.
by Ha Do Thi Thu★ 4.98 ratingsUtilitiesFreeData updated 2026-09-06
Calculator determines resistance value based on colored bands. Users select band count and for each band. The displays the resistance value and visual representation of selected colors. Helps configure electronics projects.
Allows users to calculate electrical values with tools like Power, Delta-Wye, AWG, Voltage Drop, Ampacity, THD, Resistor Code, and LED Info. Users input component values to get results. The supports dark and light themes.
Perform calculations including resistor color code analysis, transformer voltage and current computations, and voltage, current, resistance, and power determinations. Include upgraded voltage drop calculations compliant with NEC/IEEE standards.
Design circuits, simulate projects, and analyze data
Learn electronics concepts through interactive lessons and diagrams. Simulate circuits and test components. Calculate resistor values and voltage drops. Access formulas and reference tables. Export project designs and share results.
Calculate values by selecting color bands. Display resistance, tolerance, and temperature coefficient. Visualize bands with interactive color selection.
Calculate circuits, convert units, test experiments
Solve electrical problems by calculating voltage, current, and resistance. Input values to determine unknown variables. Perform unit conversions and conduct experiments. Store and retrieve calculation results.
Determine resistor values by selecting ring colors and number of rings. Choose orientation with the larger gap on the right. Receive value, tolerance, and other details.
Calculate Voltage, Current, Resistance, and Power using Ohm’s Law and ’s Law. Input values to solve for unknowns. Display results instantly. Includes formulas for calculations. Supports both direct and indirect circuit analysis.
Calculate electrical values using . Input voltage, current, or resistance to find missing variables. Supports calculations for series and parallel circuits. Includes unit conversion for volts, amps, and ohms.
Identify resistor values by entering code or value. Support for through-hole and SMD . Provide resistor color codes and numerical values. Available in English, French, German, and Spanish.
Adjust sound settings with five-band EQ for bass, mid-range, and treble control. Switch between ANC modes for Quiet, Aware, and off. Check battery life, customize shortcuts, and manage connected devices.
Identify using an AI model. Test knowledge with 2000+ . Earn 5 points per correct answer, lose 3 for incorrect ones. Retake levels to improve score. Track progress through levels requiring 25 points to advance.